199000 has 32 divisors (see below), whose sum is σ = 468000. Its totient is φ = 79200.

The previous prime is 198997. The next prime is 199021. The reversal of 199000 is 991.

199000 = T₆₆ + T₆₇ + ... + T₁₁₃.

199000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 901 + ... + 1099.

It is an arithmetic number, because the mean of its divisors is an integer number (14625).

2¹⁹⁹⁰⁰⁰ is an apocalyptic number.

199000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 199000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (234000).

199000 is an abundant number, since it is smaller than the sum of its proper divisors (269000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199000 is a wasteful number, since it uses less digits than its factorization.

199000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 199000 is about 446.0941604639. The cubic root of 199000 is about 58.3827246081.

Adding to 199000 its reverse (991), we get a palindrome (199991).

The spelling of 199000 in words is "one hundred ninety-nine thousand".